J/ApJ/659/1176 Study of bars in 180 spiral galaxies (Marinova+, 2007)
Characterizing bars at z∼0 in the optical and NIR: implications for the evolution of barred disks with redshift. Marinova I., Jogee S. <Astrophys. J., 659, 1176-1197 (2007)> =2007ApJ...659.1176M
ADC_Keywords: Galaxies, optical ; Infrared sources ; Morphology Keywords: galaxies: evolution - galaxies: fundamental parameters - galaxies: kinematics and dynamics - galaxies: structure Abstract: Critical insights on galaxy evolution stem from the study of bars. With the advent of HST surveys that trace bars in the rest-frame optical out to z∼1, it is critical to provide a reference baseline for bars at z∼0 in the optical band. We present results on bars at z∼0 in the optical and NIR based on 180 spirals from OSUBSGS (Eskridge et al., 2002, Cat. J/ApJS/143/73). File Summary:
FileName Lrecl Records Explanations
ReadMe 80 . This file table1.dat 90 169 Global Properties of sample S3 (169 galaxies) with ellipse fits in B and H table3.dat 38 136 Structural properties of sample S4 (136 galaxies) in B and H
See also: VII/155 : Third Ref. Cat. of Bright Galaxies (RC3) (de Vaucouleurs+ 1991) VII/118 : NGC 2000.0 (Sky Publishing, ed. Sinnott 1988) J/AJ/126/1607 : IRAS Revised Bright Galaxy Sample (Sanders+, 2003) J/ApJS/143/73 : Morphology of spiral galaxies (Eskridge+, 2002) Byte-by-byte Description of file: table1.dat
Bytes Format Units Label Explanations
1- 27 A27 --- Inc Galaxy inclination type (1) 29- 36 A8 --- Name Galaxy name 38- 53 A16 --- HT Hubble type (2) 55- 56 A2 --- Bar The RC3 Bar type (3) 58- 61 F4.1 Mpc Dist Distance (4) 63- 65 F3.1 arcmin D25 Isophote diameter where B band surface brightness = 25mag/arcsec2 (5) 67- 71 F5.2 mag BTmag The total blue magnitude (2) 73- 78 F6.2 mag VMag ? The absolute V band magnitude (6) 80- 84 F5.2 [solLum] LIR ? Log of global IR (8-1000um) luminosity (7) 86- 90 F5.2 [solLum] LB ? Log of global blue luminosity (2)
Note (1): There are 136 moderately inclined galaxies (sample S4) and 33 highly inclined galaxies. Note (2): From the RC3 (de Vaucouleurs et al., 1991, Cat. VII/155). Note (3): Based on visual inspection of optical images and runs as follows: B = strongly barred AB = weakly barred A = unbarred Note (4): Most values are from the NBG (Tully, 1988, Cat. VII/118), which assumes a Hubble constant of 75km/s/Mpc. Exceptions are NGC 6753, NGC 6782, NGC 5078, NGC 6907, NGC 7814, and ESO 142-19, for which distances from RC3 (Cat. VII/155) are used. Note (5): Values are from the NBG, except for NGC 6753, NGC 6782, NGC 5078, NGC 6907, NGC 7814, and ESO 142-19 where RC3 data are used. Note (6): Calculated the (B-V)T color from RC3 (Cat. VII/155). Note (7): From the IRAS Revised Bright Galaxy Sample (Sanders et al., 2003, Cat. J/AJ/126/1607).
Byte-by-byte Description of file: table3.dat
Bytes Format Units Label Explanations
1- 8 A8 --- Name Galaxy name 10- 11 I2 deg Inc Outer disk inclination (1) 13- 15 I3 deg PA Outer disk position angle (1) 17 A1 --- Bbar [ub?] B band bar classification (2) 19- 21 F3.1 --- eBbar ? B band bar strength (3) 23- 26 F4.1 kpc aBbar ? B band bar semi-major axis (3) 28 A1 --- Hbar ? H band bar classification (2) 30- 32 F3.1 --- eHbar ? H band bar strength (3) 34- 38 F5.2 kpc aHbar ? H band bar semi-major axis (3)
Note (1): Calculated from B band ellipse fits before deprojection; Note (2): from ellipse fits after deprojection: u = unbarred b = barred ? = Initially classified as "b", however the bar signature in the radial profiles is marginal. Further inspection has shown that this galaxy should be unbarred. Note (3): Of large-scale bar after deprojection.
History: From electronic version of the journal
(End) Greg Schwarz [AAS], Patricia Vannier [CDS] 25-Jan-2009
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